Quaker State Enhanced Durability

Preferred by hard-working engines

Quaker State® Enhanced DurabilityTM Motor Oil

Does your engine work so hard it needs its own punch card? You’re going to need a motor oil durable enough to keep it from punching out. Say hello to Quaker State® Enhanced Durability™ motor oil. How durable are we talking? We subject it to hundreds of thousands of miles of brutal city driving–tested in cab fleets from San Francisco to New York City, and it continues to deliver reliable performance over the long haul.